Wirm
Take a worm on a tiny adventure through this delightfully wiggly physics platformer :)
92% positive of 153 reviewsPlaying now: 0$6.99
Co-op Simulation games to play together
590 Co-op Simulation games your group can play together online, including Wirm, The Mosquito Gang, and VOLTED.
All games: 24
The Mosquito Gang
The ultimate party game! In The Mosquito Gang, team up to battle mutant mosquito swarms in co-op PvE or fight in chaotic asymmetric PvP. Outrageous weapons, wild powers, and nonstop laughter—bring the party to life!
69% positive of 152 reviewsPlaying now: 0$3.89
VOLTED
Tanks, flying cars, giant bugs, lots of guns, bullet rain - it's INSANE! PS: don't forget to take your friends with you.
84% positive of 151 reviewsPlaying now: 0$4.99
Novice in the world
This game includes RPG content such as exploration, self building teams, battles, and growth, as well as multiplayer gameplay such as interacting with other players, forming guilds, and competing in battles.
64% positive of 148 reviewsPlaying now: 0Free
Zero-based World-从零开始
Zero Based World is a multiplayer sandbox survival game.
68% positive of 148 reviewsPlaying now: 0$18.99
大逃亡专家 Escape Expert
This is an open world escape Indie Game, you are an escape expert helping clients to escape. Work is not always simple, you may become city wanted, police will block all exit ways, you need to prepare enough food, fuel, energy, tools, etc to survive during these wanted days.
75% positive of 148 reviewsPlaying now: 0Free
Slipstream: Rogue Space
A multiplayer roguelike about teamwork, survival...and cute animals in space! Play with a few friends or join a streamer's crew of dozens as you work together to battle aliens across the vast Rogue Space.
91% positive of 146 reviewsPlaying now: 0Free
FULL METAL COFFIN
FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players. Load the torpedoes, dodge incoming fire, and eliminate the enemy.
93% positive of 145 reviewsPlaying now: 0$4.99
Virtual Fighter Maneuvers
Master the art of modern air combat. Fly high performance fighter jets in intense dogfights with realistic flight and weapon physics. Duel against challenging AI opponents or compete with other players online. VR only!
93% positive of 145 reviewsPlaying now: 0$14.99
Miami Hotel Simulator
Transform and manage your dream hotel in vibrant Miami! Renovate your property, delight your guests, and boost your income. Expand your offerings with vending machines and food services to become the ultimate hospitality tycoon!
72% positive of 144 reviewsPlaying now: 0$11.99
Monster Truck Championship
A true Monster Truck simulation! A unique and challenging motor racing experience where local or online victory depends solely on your driving skills. 16 customizable trucks, 25 arenas and 3 leagues to win to become champion!
75% positive of 144 reviewsPlaying now: 0$19.99
Hodgepodge Hunch
Hodgepodge Hunch is a who-done-it game where everyone chips in to make a hotpot dish. Collaborate with your buddies to collect ingredients in the dungeons and whip up a delicious feast. There's just one problem... A backstabber may be lurking among you who'll throw your dinner plans awry...
92% positive of 141 reviewsPlaying now: 0$3.49
Low Poly Mouse Game
2-4 Sneaky and squeaky low-poly mice face off against a lone cat in the battlefield of a human house. Mice use proximity chat to communicate with other players, while the cat hunts their noises. Will the mice perform enough tasks to destroy the house, or will the cat defeat enough mice to save it?
92% positive of 139 reviewsPlaying now: 0Free
Lodventure
Embark on a 1-4 players Co-op survival adventure in an open world wilderness in search of a myth called the Lod Stone. Build your house, sow your crops, brew potions, tame a horse and discover powerful abilities. Venture into dangerous dungeons, fight unique bosses to find the Lod stone.
70% positive of 137 reviewsPlaying now: 0$14.99
Dooms Hair Salon
Dooms Hair Salon is a comedy simulation game about running a hair salon in a chaotic town. Survive by operating the salon alone or with friends!
88% positive of 135 reviewsPlaying now: 0$9.99
Rest Area Simulator: Prologue
Take over the gas station and convenience store at a roadside rest area and expand by purchasing new businesses. Manage a living world shaped by dynamic economy and random events. Upgrade your facilities, satisfy your customers, and play solo or with friends.
81% positive of 132 reviewsPlaying now: 0Free
Special Tactics
ST brings the most intense, tactical-action experience to Steam. Select your custom loadout, plan out strategies and accomplish your objectives. Addictive Survival mode and unrivaled multiplayer including Squads (1 vs 1, 2 vs 2, 2 vs 1)
83% positive of 132 reviewsPlaying now: 0Free
Building Destruction
Multiplayer sandbox with destructible environment. Destroy different maps, build your own, and play with your friends and other people online
72% positive of 122 reviewsPlaying now: 0$4.99
Chaos Express: Delivery Simulator
Deliver goods with your friends in open-world city. Manage and upgrade your delivery point, acquire new ways of delivery and become the best.
73% positive of 119 reviewsPlaying now: 0$13.37
Mushroom Simulator Co-op
Mushroom Simulator Co-op is a "cozy" co-op game where you grow by using your own voice, hide from mushroom hunters, protect your little mushrooms, and try to survive in the forest with your friends. Yes, you're literally a mushroom.
90% positive of 119 reviewsPlaying now: 0$3.99
Locomancer
The genre defining VR model train game. Build and ride the model train layout of your dreams without the cost and excessive model foam dust getting in your nose!
83% positive of 118 reviewsPlaying now: 0Free
Innchanted
Run a Magical Inn with friends! Yarrul’s family Inn has been stolen by an evil wizard landlord! Team up with friends to reclaim your family's legacy. Manage your inn, brew potions, fish, cook, and fight in this hectic & heartfelt magical adventure. Play solo or co-op for 1-4 players.
83% positive of 117 reviewsPlaying now: 0$19.99
AColony
A colony building game with an emphasis on unexpected events, online co-op, and managing a unique community. Build your colony, feed your colonists, research technologies, craft advanced weapons, explore the world, fight enemies and defend your property.
87% positive of 116 reviewsPlaying now: 0$19.99
Exorcist Simulator
Exorcist Simulator is a 1‑4 player online co‑op horror where every play asks the same, terrible question: Will you cast out the Devil —or wear his skin?
66% positive of 116 reviewsPlaying now: 0$3.99